Liquid Crystal Based 5 cm Adaptive Focus Lens to Solve Accommodation-Convergence (AC) Mismatch Issue of AR/VR/3D Displays
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PubDate: June 28, 2021
Teams: Facebook Reality Labs
Writers: Amit K Bhowmick, Afsoon Jamali, Douglas Bryant, Sandro Pintz, Philip J Bos
Abstract
Vision discomfort due to the accommodation-convergence mismatch remains a challenge for current HMDs used for VR/AR applications. A potential solution of this issue is to use an adaptive focus lens that is lightweight, flat and has a large aperture. In this paper, we present a 5 cm diameter Liquid Crystal based focus tunable lens. Despite the large aperture, the lens has characteristics of fast switching speed(500ms), low driving voltage (<5 V), and low thickness (<5mm).
